8160449637617 has 2 divisors, whose sum is σ = 8160449637618. Its totient is φ = 8160449637616.

The previous prime is 8160449637583. The next prime is 8160449637647. The reversal of 8160449637617 is 7167369440618.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5055950119936 + 3104499517681 = 2248544^2 + 1761959^2 .

It is a cyclic number.

It is not a de Polignac number, because 8160449637617 - 2²⁴ = 8160432860401 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8160449637617.

It is not a weakly prime, because it can be changed into another prime (8160449637647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4080224818808 + 4080224818809.

It is an arithmetic number, because the mean of its divisors is an integer number (4080224818809).

Almost surely, 2^{8160449637617} is an apocalyptic number.

It is an amenable number.

8160449637617 is a deficient number, since it is larger than the sum of its proper divisors (1).

8160449637617 is an equidigital number, since it uses as much as digits as its factorization.

8160449637617 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36578304, while the sum is 62.

The spelling of 8160449637617 in words is "eight trillion, one hundred sixty billion, four hundred forty-nine million, six hundred thirty-seven thousand, six hundred seventeen".